netdev - txtimestamp.c:164:29: warning: format '0' expects argument of type 'long unsigned int', but argument 3 has type 'int64

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Message-ID: <CA+G9fYtaoxVF-bL40kt=FKcjjaLUnS+h8hNf=wQv_dKKWn_MNQ@mail.gmail.com>
Date:   Thu, 6 Jan 2022 15:39:09 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     linux-stable <stable@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        "open list:KERNEL SELFTEST FRAMEWORK" 
        <linux-kselftest@...r.kernel.org>, Netdev <netdev@...r.kernel.org>,
        lkft-triage@...ts.linaro.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Shuah Khan <shuah@...nel.org>,
        Jakub Kicinski <kuba@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Yangbo Lu <yangbo.lu@....com>,
        Grygorii Strashko <grygorii.strashko@...com>,
        Richard Cochran <richardcochran@...il.com>,
        Jian Yang <jianyang@...gle.com>
Subject: txtimestamp.c:164:29: warning: format '0' expects argument of type
 'long unsigned int', but argument 3 has type 'int64_t' {aka 'long long int'} [-Wformat=]

While building selftests the following warnings were noticed for arm
architecture on Linux stable v5.15.13 kernel and also on Linus's tree.

arm-linux-gnueabihf-gcc -Wall -Wl,--no-as-needed -O2 -g
-I../../../../usr/include/    txtimestamp.c  -o
/home/tuxbuild/.cache/tuxmake/builds/current/kselftest/net/txtimestamp
txtimestamp.c: In function 'validate_timestamp':
txtimestamp.c:164:29: warning: format '0' expects argument of type
'long unsigned int', but argument 3 has type 'int64_t' {aka 'long long
int'} [-Wformat=]
  164 |   fprintf(stderr, "ERROR: 0 us expected between 0 and 0\n",
      |                           ~~^
      |                             |
      |                             long unsigned int
      |                           0
  165 |     cur64 - start64, min_delay, max_delay);
      |     ~~~~~~~~~~~~~~~
      |           |
      |           int64_t {aka long long int}
txtimestamp.c: In function '__print_ts_delta_formatted':
txtimestamp.c:173:22: warning: format '0' expects argument of type
'long unsigned int', but argument 3 has type 'int64_t' {aka 'long long
int'} [-Wformat=]
  173 |   fprintf(stderr, "0 ns", ts_delta);
      |                    ~~^      ~~~~~~~~
      |                      |      |
      |                      |      int64_t {aka long long int}
      |                      long unsigned int
      |                    0
txtimestamp.c:175:22: warning: format '0' expects argument of type
'long unsigned int', but argument 3 has type 'int64_t' {aka 'long long
int'} [-Wformat=]
  175 |   fprintf(stderr, "0 us", ts_delta / NSEC_PER_USEC);
      |                    ~~^
      |                      |
      |                      long unsigned int
      |                    0

Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>

build link:
https://builds.tuxbuild.com/23HFntxpqyCx0RbiuadfGZ36Kym/

metadata:
  git repo: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
  git commit: 734eb1fd2073f503f5c6b44f1c0d453ca6986b84
  git describe: v5.15.13
  toolchain: gcc-11
  kernel-config: https://builds.tuxbuild.com/23HFntxpqyCx0RbiuadfGZ36Kym/config


# To install tuxmake on your system globally:
# sudo pip3 install -U tuxmake

tuxmake --runtime podman --target-arch arm --toolchain gcc-10 \
 --kconfig https://builds.tuxbuild.com/23HFntxpqyCx0RbiuadfGZ36Kym/config \
  dtbs dtbs-legacy headers kernel kselftest kselftest-merge modules

--
Linaro LKFT
https://lkft.linaro.org